c/3886: compiler seg faults with 02 optimization

Sat Dec 1 22:36:00 GMT 2001

The following reply was made to PR c/3886; it has been noted by GNATS.

From: rodrigc@gcc.gnu.org
To: eeeg@rightarm.org, gcc-bugs@gcc.gnu.org, gcc-gnats@gcc.gnu.org,
  gcc-prs@gcc.gnu.org, nobody@gcc.gnu.org
Cc:  
Subject: Re: c/3886: compiler seg faults with 02 optimization
Date: 2 Dec 2001 06:26:34 -0000

 Synopsis: compiler seg faults with 02 optimization

 State-Changed-From-To: open->analyzed
 State-Changed-By: rodrigc
 State-Changed-When: Sat Dec  1 22:26:34 2001
 State-Changed-Why:
     Problem does NOT occur with gcc version 3.1 20011201.

     However, problem DOES occur with gcc version 3.0.3 20011201 

     The segfault occurs in:

     Program received signal SIGSEGV, Segmentation fault.
     0x08281c2d in make_reorder_chain_1 (bb=0x83941e8, prev=0x0)
         at bb-reorder.c:416
     416           next = (taken ? e_taken : e_fall)->dest;

     (gdb) p e_fall
     $2 = 0x0

 http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=3886&database=gcc